XGN118-12 dry air insulated ring main cabinet
Solid insulated ring main unit
Description
(1)Rated voltage（kV) -Load-break switch (Cabinet C) :12 -Circuit breaker (Cabinet V):12 -Disconnecting switch、grounding switch：12 (2)Rated current（A) :630 (3)Rated frequency（Hz):50 (4)Extinguishing arc mode:vacuum (5)power- frequency withstand voltage（kV): -line-to-line:42 -line-to-ground：48 (5)lightning impulse（kV)： -line-to-line:75 -line-to-ground：85 (6)Rated short-circuit breaking current (kA)：20 (7)Rated short-circuit breaking current breaking times:30 (8)Rated short-circuit current (kA):50 (9)Rated short-time withstand current(kA):20 (10)Rated short-circuit duration（S):4 (11)Rated peak withstand current (kA):50 (12)Rated cable charging breaking current（A):10 (13)Arc duration（S):0.5 (14)partial discharge（Pc）:≤5 (15)IP:IP67
- Electrical systems and equipment
- dry air insulated ring main cabinet
- Solid insulated ring main unit
- Vacuum ring main unit
Product characteristics
- Rated voltage（kV)
- 12
- Rated current（A)
- 630
- Rated frequency（Hz)
- 50
- Extinguishing arc mode
- vacuum
- power- frequency withstand voltage（kV)
- 42/48
- lightning impulse（kV)
- 75/85
- Rated short-circuit breaking current (kA)
- 20
- Rated short-circuit duration（S)
- 4
- Rated peak withstand current (kA)
- 50
- Rated peak withstand current (kA)
- 10
- Arc duration（S)
- 0.5
- partial discharge（Pc
- ≤5
- IP
- IP67
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